1、 Developed quickly, nonpolluting and nontoxic analysis system will become the hot sp ort in the future.
建立快速 、 无污染、无毒的检测体系将成为今后研究的热点.
来源:互联网
2、 Hydrogen is an ideal energy due to its high conversion efficiency , recyclability and nonpolluting nature.
氢气是一种理想的能源,具有转化率高 、 可再生和无污染等优点.
来源:互联网